Seosan-si
City in Chungcheongnam-do (South Korea)
Contents: Population
The population development of Seosan-si as well as related information and services (Wikipedia, Google, images).
| Name | Status | Native | Population Census 1980-11-01 | Population Census 1990-11-01 | Population Census 2000-11-01 | Population Census 2010-11-01 | Population Census 2015-11-01 | Population Census 2020-11-01 | Population Census 2025-11-01 | |
|---|---|---|---|---|---|---|---|---|---|---|
| Seosan-si | City | 서산시 | 150,623 | 148,538 | 143,154 | 156,843 | 169,221 | 176,379 | 176,859 | |
| Daehan Minguk [South Korea] | Republic | 대한민국 | 37,436,315 | 43,410,899 | 46,136,101 | 48,580,293 | 51,069,375 | 51,829,136 | 51,817,499 |
Source: National Statistical Office of the Republic of Korea.
Explanation: Since 2015, a register-based census is performed. Nevertheless, the results are not consistent with the population figures from the resident registration that are higher by about 3.5% on average.
Further information about the population structure:
| Gender (C 2025) | |
|---|---|
| Males | 93,363 |
| Females | 83,496 |
| Age Groups (C 2025) | |
|---|---|
| 0-14 years | 19,117 |
| 15-64 years | 117,715 |
| 65+ years | 40,027 |
| Age Distribution (C 2025) | |
|---|---|
| 90+ years | 1,976 |
| 80-89 years | 8,921 |
| 70-79 years | 16,177 |
| 60-69 years | 27,592 |
| 50-59 years | 30,273 |
| 40-49 years | 26,591 |
| 30-39 years | 21,421 |
| 20-29 years | 16,702 |
| 10-19 years | 16,495 |
| 0-9 years | 10,711 |
| Citizenship (C 2025) | |
|---|---|
| Korea | 168,189 |
| Foreign Citizenship | 8,670 |